Remove python-datemath stubs (#14329)

stubs/python-datemath/METADATA.toml

@@ -1,8 +0,0 @@
-version = "3.0.1"
-upstream_repository = "https://github.com/nickmaccarthy/python-datemath"
-# Requires a version of arrow with a `py.typed` file
-requires = ["arrow>=1.0.1"]
-obsolete_since = "3.0.2"    # Released on 2024-09-11
-
-[tool.stubtest]
-ignore_missing_stub = true

stubs/python-datemath/datemath/__init__.pyi

@@ -1,12 +0,0 @@
-from datetime import datetime
-
-import arrow
-
-from .helpers import DateMathException as DateMathException, parse as parse
-
-def dm(
-    expr: str, *, now: arrow.Arrow | None = ..., tz: str = ..., type: str | None = ..., roundDown: bool = ...
-) -> arrow.Arrow: ...
-def datemath(
-    expr: str, *, now: arrow.Arrow | None = ..., tz: str = ..., type: str | None = ..., roundDown: bool = ...
-) -> datetime: ...

stubs/python-datemath/datemath/helpers.pyi

@@ -1,8 +0,0 @@
-import arrow
-
-class DateMathException(Exception): ...
-
-def parse(
-    expression: str, now: arrow.Arrow | None = None, tz: str = "UTC", type: str | None = None, roundDown: bool = True
-) -> arrow.Arrow: ...
-def __getattr__(name: str): ...  # incomplete module